Saliva is a mirror of the body’s health and well being. In fact, most of the bio-molecules found in blood and urine can also be found in saliva. Better than that, when it comes to measuring hormone levels, there’s no better way to measure them than in saliva, it’s the gold standard. Given that saliva collection is simple and non-invasive, it helps explain why we consider saliva to be the blood of the 21st century™.